package com.day06.ex01;

import java.util.Scanner;

public class Text08 {
    public static void main(String[] args) {
        int[] arr={19,28,37,46,50};
        Scanner sc=new Scanner(System.in);
        System.out.println("请输入要查找的数据：");
        int number=sc.nextInt();
        int index=getIndex(arr,number);
        System.out.println("index:"+index);
    }

    private static int getIndex(int[] arr, int number) {
        int index=-1;
        for (int x = 0; x <arr.length ; x++) {
            if(arr[x]==number){
                index=x;
                break;
            }
        }
        return index;
    }

}
